The new Lenovo S860 is a 5.3-inch HD display smartphone powered by quad-core 1.3GHz MediaTek processor and 2GB RAM . It is a high-end dual SIM support smartphone from Lenovo with ultra-long battery backup – Up to 24 hours 3G talk time or up to 43 hours on 2G talk-time ! Due to its massive battery Lenovo has compromised on its form factor and weight (10.3mm thick and 190g weight) and also excluded microSD card slot .